Greg D Ewert MD Sc
NPI 1679969182 · Adolescent Medicine (Internal Medicine) Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg D Ewert MD Sc is a Adolescent Medicine (Internal Medicine) Physician organization in Chicago, IL (NPI 1679969182).
Provider details
- NPI number
- 1679969182
- Entity type
- Organization
- Primary specialty
- Adolescent Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Greg Ewert, Owner(312) 922-4734
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-10
- Last updated
- 2015-04-10
Frequently asked questions
- What is Greg D Ewert MD Sc's NPI number?
- Greg D Ewert MD Sc's National Provider Identifier (NPI) is 1679969182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greg D Ewert MD Sc?
- Greg D Ewert MD Sc is classified in the NPPES registry as Adolescent Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Greg D Ewert MD Sc located?
- Greg D Ewert MD Sc's practice location on file with NPPES is 200 S Michigan Ave, Chicago, IL 60604-2402.
- What is Greg D Ewert MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Greg D Ewert MD Sc is (312) 922-3815.
- Does Greg D Ewert MD Sc accept Medicare?
- Greg D Ewert MD Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Greg D Ewert MD Sc?
- The authorized official listed on Greg D Ewert MD Sc's NPPES record is Greg Ewert, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greg D Ewert MD Sc's NPI active?
- Yes — Greg D Ewert MD Sc's NPI (1679969182) is active in the NPPES registry as of the last update on 2015-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.